Ultrasonic preparation of citral/hydroxypropyl-β-cyclodextrin inclusion complex: Application as a potential antifungal preservative in strawberry storage
文献类型： 外文期刊
作者： Shen, Dan 1 ; Chang, Xia 1 ; Zhou, Liling 1 ; Hao, Dandan 1 ; Fang, Zhongxiang 3 ; Shan, Yang 1 ; Huang, Lvhong 2 ; Li, Gaoyang 1 ;
作者机构： 1.Hunan Univ, Coll Biol, Longping Branch, Changsha 410125, Peoples R China
2.Hunan Acad Agr Sci, Hunan Agr Prod Proc Inst, Hunan Prov Key Lab Fruits & Vegetables Storage & Q, Hunan Prov Int Joint Lab Fruits & Vegetables Proc, Changsha 410125, Peoples R China
3.Univ Melbourne, Sch Agr Food & Ecosyst Sci, Parkville, Vic 3010, Australia
关键词： Citral; Hydroxypropyl-beta-cyclodextrin; Inclusion complex; Antifungal activity; Preservation
期刊名称：FOOD CONTROL （ 影响因子：6.0； 五年影响因子：5.8 ）
ISSN： 0956-7135
年卷期： 2024 年 155 卷
页码：
收录情况： SCI
摘要： In this study, an inclusion complex (IC) of citral (CIT) within hydroxypropyl-beta-cyclodextrin (HP beta CD) was prepared by ultrasound technique. The structural characterization, thermal stability, phase solubility, antifungal properties and applications of CIT/HP beta CD-IC in strawberry storage were investigated. The results showed that CIT/HP beta CD-IC was successfully formed and had better thermal stability than CIT only. The apparent stability constant and Gibbs free energy change of the inclusion process was determined to be 142.08 M-1 and 12.87 kJ mol(-1), respectively, by the phase solubility method. The in vitro antifungal tests demonstrated that the IC had a certain antifungal effect against Geotrichum citri-aurantii, with a significant inhibitory effect against the growth of Botrytis cinerea and Alternaria alternata at concentrations above 5 mg mL(-1). Additionally, the treatment of CIT/ HP beta CD-IC on strawberry effectively reduced the decay rate and decrease of weight loss, soluble solids, firmness, and pH, thereby extending the shelf life. This research indicated that the ultrasonically synthesized CIT/HP beta CD-IC effectively improved the water solubility and stability of CIT and could be utilized as an antifungal preservative for storage and preservation of strawberry, and potentially other fruits and vegetables.
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